Heat exchange assembly, and vehicle thermal management system

Abstract

A heat exchange assembly and a vehicle thermal management system. The heat exchange assembly comprises a first heat exchange part, a bridging member, a second heat exchange part and a connecting member, wherein the first heat exchange part, the bridging member and the second heat exchange part are fixed by means of welding. The heat exchange assembly comprises six ports, wherein the connecting member is provided with at least three ports. The bridging member comprises two holes and/or grooves, which face towards the first heat exchange part and are used for communication with same, and the bridging member comprises at least two holes and/or grooves for being in communication with the second heat exchange part. Openings, of the holes and/or grooves capable of being in communication with the second heat exchange part of the bridging member, face towards the second heat exchange part.

1 . A heat exchange assembly, comprising a first heat exchange part, a bridging member, a second heat exchange part and a connecting piece, wherein the bridging member is at least partially located between the first heat exchange part and the second heat exchange part, wherein the first heat exchange part ( 10 ), the bridging member and the second heat exchange part are fixed by welding; wherein the second heat exchange part is at least partially located between the bridging member and the connecting piece; wherein the first heat exchange part has a heat exchange core body, wherein the first heat exchange part comprises at least two fluid flow passages, which are not in communication with each other;
 wherein the heat exchange assembly comprises at least six ports: a first port, a second port, a third port, a fourth port, a fifth port and a sixth port, wherein the connecting piece has the fourth port, the fifth port and the sixth port; wherein the second heat exchange part comprises four ducts: a first duct, a second duct, a third duct and a fourth duct; wherein the fourth port is in communication with the first duct of the second heat exchange part, and the fifth port is in communication with the fourth duct of the second heat exchange part; wherein the sixth port is in communication with the fourth port through the second heat exchange part, or the sixth port is in communication with the fourth port through a flow passage; wherein the first heat exchange part comprises two ducts: the first duct and the second duct, wherein the first duct of the first heat exchange part is in communication with the first duct of the second heat exchange part through the bridging member; wherein the bridging member comprises two holes and/or grooves facing the first heat exchange part for communication, wherein the bridging member comprises at least two holes and/or grooves in communication with the second heat exchange part, wherein the openings of the holes and/or grooves of the bridging member in communication with the second heat exchange part face the second heat exchange part.   
     
     
         2 . The heat exchange assembly according to  claim 1 , wherein the connecting piece is fixedly connected to the second heat exchange part, wherein the sixth port is in communication with the second duct of the second heat exchange part, wherein the first duct of the second heat exchange part is in communication with the second duct of the second heat exchange part; wherein the connecting piece comprises a main body part and an extension part, wherein the main body part is provided with at least three ports of the heat exchange assembly; wherein the connecting piece has grooves on a side facing the second heat exchange part, wherein the grooves is in communication with one duct of the second heat exchange part and at least one of the ports; wherein the grooves are partially located in the main body part and partially located in the extension part. 
     
     
         3 . The heat exchange assembly according to  claim 1 , wherein the connecting piece comprises a connecting block, a connecting plate, and two or three connecting pipe matching parts, wherein the connecting block, the connecting plate, and the connecting pipe matching parts are fixed by welding, wherein the connecting piece, the second heat exchange part, the bridging member, and the first heat exchange part are fixed by welding; wherein a thickness of the connecting block is greater than a thickness of the connecting plate, wherein each of the connecting pipe matching parts is provided with at least one port; wherein the connecting plate is provided with at least four through holes, wherein the connecting block is provided with at least three through holes, wherein each port of the connecting pipe matching part is in communication with one of the through holes of the connecting plate, wherein each through hole of the connecting plate is in communication with one through hole of the connecting block, wherein at least one through hole of the connecting block is in communication with the two through holes of the connecting plate, wherein each through hole of the connecting block is in communication with at least one through hole of the connecting plate; wherein the connecting block comprises at least two through holes, which are in communication with the ducts of the second heat exchange part, respectively. 
     
     
         4 . The heat exchange assembly according to  claim 1 , wherein the heat exchange assembly further comprises a seventh port, wherein the seventh port is arranged on the connecting piece, and is in communication with the fourth duct of the second heat exchange part; wherein the heat exchange assembly comprises a first port part and a second port part, wherein the first port part is provided with the first port, the second port part is provided with the second port, wherein the first heat exchange part comprises the first port part and the second port part, or the first heat exchange part is fixedly arranged with the first port part and the second port part; wherein the heat exchange assembly further comprises a third port part, wherein the third port part is provided with the third port, wherein the bridging member comprises the third port part or the connecting piece comprises the third port part. 
     
     
         5 . The heat exchange assembly according to  claim 1 , wherein the heat exchange assembly further comprises a seventh port and an eighth port arranged on the connecting piece, wherein the seventh port is in communication with the fourth duct of the second heat exchange part; wherein the eighth port is in communication with the fourth port through the second heat exchange part, or the eighth port is in communication with the fourth port through the flow passage; wherein the heat exchange assembly comprises a first port part and a second port part, wherein the first port part is provided with the first port, the second port part is provided with the second port, wherein the first heat exchange part comprises the first port part and the second port part, or the first heat exchange part is fixedly arranged with the first port part and the second port part; wherein the heat exchange assembly further comprises a third port part, which is provided with the third port, wherein the bridging member comprises the third port part or the connecting piece comprises the third port part. 
     
     
         6 . The heat exchange assembly according to  claim 4 , wherein the bridging member comprises a mounting part, wherein the throttle element and the bridging member are fixedly arranged or position-limiting arranged, wherein the throttle element is fixed or position limited to the mounting part; wherein an port of the throttle element is in communication with the second duct of the first heat exchange part. 
     
     
         7 . The heat exchange assembly according to  claim 6 , wherein the two holes and/or grooves of the bridging member in communication with the first heat exchange part comprise a hole, wherein the hole is located in the mounting part and is in communication with an outlet of the throttle element, wherein the outlet of the throttle element is in communication with the second duct of the first heat exchange part through the hole, wherein the other hole and/or groove of the bridging member in communication with the first heat exchange part is in communication with the first duct of the first heat exchange part; wherein one of the two holes and/or grooves of the bridging member in communication with the second heat exchange part is in communication with the first duct of the second heat exchange part, wherein the other hole and/or groove in communication with the second heat exchange part communicates the inlet of the throttle element with the fourth duct of the second heat exchange part. 
     
     
         8 . The heat exchange assembly according to  claim 6 , wherein the second heat exchange part is not larger than the first heat exchange part, wherein at least part of the mounting part protrudes from the second heat exchange part; wherein the bridging member correspondingly has a hole for circulation, wherein the hole corresponds to or is in communication with the position of the first duct of the first heat exchange part, wherein the hole corresponds to or is in communication with the position of the first duct of the second heat exchange part; wherein the bridging member is further provided with a groove on a side opposite to the first heat exchange part, wherein the bridging member comprises through holes; wherein one side of the groove is provided with the holes, or one side of the groove is in communication with the holes; wherein an inclined hole is further provided on the other side of the groove, wherein the inclined hole communicates the hole of the mounting part and the groove, wherein the inlet of the throttle element is in communication with the second duct of the second heat exchange part through the inclined hole, the groove and the holes. 
     
     
         9 . The heat exchange assembly according to  claim 1 , wherein the bridging member has a first matching part and a second matching part, wherein the first heat exchange part has a matching part, wherein the matching part of the first heat exchange part is correspondingly matched with the first matching part of the bridging member; wherein the second heat exchange part has a matching part, wherein the matching part of the second heat exchange part is correspondingly matched with the second matching part of the bridging member; wherein the matching part of the first heat exchange part, the matching part of the second heat exchange part, and the two matching parts of the bridging member comprise flat parts; wherein the opening of the hole or groove for communication of the bridging member facing or close to the first heat exchange part is located inside the first matching part; wherein the opening, which close to the second matching part, of the hole or groove of the bridging member that is able to be in communication with the second matching part is located inside the second matching part. 
     
     
         10 . The heat exchange assembly according to  claim 1 , wherein the bridging member further comprises at least a weight-reducing hole; wherein the weight-reducing hole is not in communication with the ducts of the first heat exchange part and the ducts of the second heat exchange part, wherein the weight-reducing hole is not in communication with the hole or groove of the bridging member for communication; wherein the distance between the weight-reducing hole and the hole or groove for communication of the bridging member, which faces or is close to the first heat exchange part, is greater than or equal to 1.5 mm; wherein the distance between the weight-reducing hole and the hole or groove for communication of the bridging member, which faces or is close to the second heat exchange part, is greater than or equal to 1.5 mm. 
     
     
         11 . A vehicle thermal management system, comprising a refrigerant flow passage and a coolant flow passage, wherein the vehicle thermal management system comprises the heat exchange assembly according to  claim 1 ; wherein the vehicle thermal management system comprises a compressor, a condenser and at least one evaporator, wherein the coolant flow passage flows through the first port part, the second port part and the flow passage part of the first heat exchange part in communication with the first port and the second port; wherein the condenser is connected with the third port part through a pipeline or through a pipeline and a liquid reservoir, wherein the inlet of the compressor is in communication with the fourth port, wherein the inlet of the evaporator is in communication with the fifth port, or the vehicle thermal management system further comprises a throttle element between the inlet of the evaporator and the fifth port, wherein the outlet of the evaporator is in communication with the sixth port. 
     
     
         12 . The vehicle thermal management system according to  claim 11 , comprising a front evaporator and a rear evaporator, wherein the heat exchange assembly further comprises a seventh port, wherein the inlet of one of the front evaporator or the rear evaporator is in communication with the fifth port, or the vehicle thermal management system is provided with a throttle element between the inlet of one of the front evaporator or the rear evaporator and the fifth port, and the inlet of the other evaporator is in communication with the seventh port, or the vehicle thermal management system is provided with a throttle element between the inlet of the other one of the front evaporator and the rear evaporator and the seventh port, wherein the outlet of the front evaporator and/or the rear evaporator is in communication with the sixth port. 
     
     
         13 . The vehicle thermal management system according to  claim 11 , comprising a front evaporator and a rear evaporator, wherein the heat exchange assembly further comprises a seventh port and an eighth port, wherein the inlet of one of the front evaporator or the rear evaporator is in communication with the fifth port, or the vehicle thermal management system is provided with a throttle element between the inlet of one of the front evaporator or the rear evaporator and the fifth port, and the inlet of the other evaporator is in communication with the seventh port, or the vehicle thermal management system is provided with a throttle element between the inlet of the other one of the front evaporator and the rear evaporator and the seventh port, wherein the outlet of one of the front evaporator or the rear evaporator is in communication with the sixth port, and the other one of the front evaporator or the rear evaporator is in communication with the eighth port. 
     
     
         14 . The heat exchange assembly according to  claim 3 , wherein the heat exchange assembly further comprises a seventh port, wherein the seventh port is arranged on the connecting piece, and is in communication with the fourth duct of the second heat exchange part; wherein the heat exchange assembly comprises a first port part and a second port part, wherein the first port part is provided with the first port, the second port part is provided with the second port, wherein the first heat exchange part comprises the first port part and the second port part, or the first heat exchange part is fixedly arranged with the first port part and the second port part; wherein the heat exchange assembly further comprises a third port part, wherein the third port part is provided with the third port, wherein the bridging member comprises the third port part or the connecting piece comprises the third port part. 
     
     
         15 . The heat exchange assembly according to  claim 3 , wherein the heat exchange assembly further comprises a seventh port and an eighth port arranged on the connecting piece, wherein the seventh port is in communication with the fourth duct of the second heat exchange part; wherein the eighth port is in communication with the fourth port through the second heat exchange part, or the eighth port is in communication with the fourth port through the flow passage; wherein the heat exchange assembly comprises a first port part and a second port part, wherein the first port part is provided with the first port, the second port part is provided with the second port, wherein the first heat exchange part comprises the first port part and the second port part, or the first heat exchange part is fixedly arranged with the first port part and the second port part; wherein the heat exchange assembly further comprises a third port part, which is provided with the third port, wherein the bridging member comprises the third port part or the connecting piece comprises the third port part. 
     
     
         16 . The heat exchange assembly according to  claim 5 , wherein the bridging member comprises a mounting part, wherein the throttle element and the bridging member are fixedly arranged or position-limiting arranged, wherein the throttle element is fixed or position limited to the mounting part; wherein an port of the throttle element is in communication with the second duct of the first heat exchange part. 
     
     
         17 . The heat exchange assembly according to  claim 16 , wherein the two holes and/or grooves of the bridging member-in communication with the first heat exchange part comprise a hole, wherein the hole is located in the mounting part and is in communication with an outlet of the throttle element, wherein the outlet of the throttle element is in communication with the second duct of the first heat exchange part through the hole, wherein the other hole and/or groove of the bridging member in communication with the first heat exchange part is in communication with the first duct of the first heat exchange part; wherein one of the two holes and/or grooves of the bridging member in communication with the second heat exchange part is in communication with the first duct of the second heat exchange part, wherein the other hole and/or groove in communication with the second heat exchange part communicates the inlet of the throttle element with the fourth duct of the second heat exchange part 
     
     
         18 . The heat exchange assembly according to  claim 16 , wherein the second heat exchange part is not larger than the first heat exchange part, wherein at least part of the mounting part protrudes from the second heat exchange part; wherein the bridging member correspondingly has a hole for circulation, wherein the hole corresponds to or is in communication with the position of the first duct of the first heat exchange part, wherein the hole corresponds to or is in communication with the position of the first duct of the second heat exchange part; wherein the bridging member is further provided with a groove on a side opposite to the first heat exchange part, wherein the bridging member comprises through holes; wherein one side of the groove is provided with the holes, or one side of the groove is in communication with the holes; wherein an inclined hole is further provided on the other side of the groove, wherein the inclined hole communicates the hole of the mounting part and the groove, wherein the inlet of the throttle element is in communication with the second duct of the second heat exchange part through the inclined hole, the groove and the holes. 
     
     
         19 . The vehicle thermal management system according to  claim 11 , wherein the connecting piece is fixedly connected to the second heat exchange part, wherein the sixth port is in communication with the second duct of the second heat exchange part, wherein the first duct of the second heat exchange part is in communication with the second duct of the second heat exchange part; wherein the connecting piece comprises a main body part and an extension part, wherein the main body part is provided with at least three ports of the heat exchange assembly; wherein the connecting piece has grooves on a side facing the second heat exchange part, wherein the grooves is in communication with one duct of the second heat exchange part and at least one of the ports; wherein the grooves are partially located in the main body part and partially located in the extension part. 
     
     
         20 . The vehicle thermal management system according to  claim 11 , wherein the connecting piece comprises a connecting block, a connecting plate, and two or three connecting pipe matching parts, wherein the connecting block, the connecting plate, and the connecting pipe matching parts are fixed by welding, wherein the connecting piece, the second heat exchange part, the bridging member, and the first heat exchange part are fixed by welding; wherein a thickness of the connecting block is greater than a thickness of the connecting plate, wherein each of the connecting pipe matching parts is provided with at least one port; wherein the connecting plate is provided with at least four through holes, wherein the connecting block is provided with at least three through holes, wherein each port of the connecting pipe matching part is in communication with one of the through holes of the connecting plate, wherein each through hole of the connecting plate is in communication with one through hole of the connecting block, wherein at least one through hole of the connecting block is in communication with the two through holes of the connecting plate, wherein each through hole of the connecting block is in communication with at least one through hole of the connecting plate; wherein the connecting block comprises at least two through holes, which are in communication with the ducts of the second heat exchange part, respectively.